Debian

Xorg using abnormal high cpu in Debian wheezy with official Nvidia GeForce G105M driver of version 285.05

I re-installed my system with Debian Wheezy the other day. And then downloaded and installed the official Nvidia graphic driver for my GeForce G105M card. The driver version is 285.05.09 Certified published on 2011.10.05.
But unfortunately, the system became quite slow with many applications like nautilus, chrome, firefox etc. The symptoms were:
1. It's very slow to open new tab in chrome/nautilus, or to switch between tabs. It could takes several seconds!

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dpkg error: subprocess installed post-removal script returned error exit status 2

When trying to uninstall nvidia-installer-cleanup, the error info show up:

dpkg: error processing glx-diversions (--remove):
subprocess installed post-removal script returned error exit status 2
configured to not write apport reports
Errors were encountered while processing:
glx-diversions
E: Sub-process /usr/bin/dpkg returned an error code (1)
A package failed to install. Trying to recover:

The solution to this is:

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Upgrade from Debian stable to testing version

I found that sciteproj is a good thing, but It's only in the testing repo for Debian.

After read the article "5 reasons why Debian Unstable does not deserve its name"(http://raphaelhertzog.com/2010/12/20/5-reasons-why-debian-unstable-does-...)
I decide to "Upgrade" my stable Debian(squeeze) to the testing version on my laptop:

Change the content of /etc/apt/sources.list from

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Acer doesn't provide technical support for my Linux system

I asked the Acer support center to provide some driver for my Debian system, this is their answer:

Greetings,
Thanks for using Acer Product.
About your question:
Very sorry~ Linux is open source OS(e.g public OS, Free OS)
Acer does not provide technical support for Linux, we suggest you to search Linux driver using Baidu.

If you have other questions about our product, please contact us again.
Acer Support Center

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Super Key + L to lock the screen on Debian

Run command ccsm by either terminal or application of "run application"(alt + f2). the ccsm is short for CompizConfig Settings Manager.

Enable the "Commands" in the Gerenal tab,

Bind the "Command line 0" with gnome-screensaver-command -l, and bind "Run command 0" with Super key + L

Done!

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Setup SVN, https and Post-Commit Shell in Debian (Squeeze)

A different port other than 443 is needed, such as 19903. ( Wanna know why? See http://httpd.apache.org/docs/2.0/ssl/ssl_faq.html#vhosts2 for more info)

So vim /etc/apache2/ports.conf, and add NameVirtualHost for port 19903:
NameVirtualHost 127.0.0.1:19903
Listen 19903

The name of virtual server can be arbitrary, such as 'test.svn',
So after everything is done, the URL for svn client to use will be https://test.svn:19903/

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Enable compiz for a debian system as a Virtualbox guest

1. Make sure to enable the extended '3D Acceleration' feature for the guest Debian and give it enough video memory. I am not sure how much would matter, I just give it 128MB in my case.

2. Make sure the 'Virtual Guest Additions' & also the Compiz package installed for the guest Debian.

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Some little troubleshooting experience in debian - memo 1

1, A dpkg error:
status database area is locked by another process
Try (sudo) following command:
rm /var/lib/dpkg/lock && rm /var/cache/apt/archives/lock && dpkg --configure -a

2, Chrome In Debian下, Chinese fonts looks blur?
Google took me here:
http://heji.javaeye.com/blog/665719
Simply: [sudo gedit /etc/fonts/conf.d/49-sansserif.conf] find and replace "sans-serif" with "uming.ttc"

3, In Debian, fonts looks too small

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Run multi audio players/apps in Debian

In Debian(Lenny & Squeeze), you can only play one audio app once defaultly.

I found a solution with 2 steps for amending.

1, Install Pulseaudio(and remove Esound) with following quick command:

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Squeeze released

Debian 6.0 “Squeeze” released on February 6th after 2 years of constant development.

Notable updates include:

GIMP 2.6.11
MySQL 5.1.49
GCC 4.4.5
Linux 2.6.32
Apache 2.2.16
PHP 5.3.3
Xen Hypervisor 4.0.1 (dom0 as well as domU support)
More than 29k (10k new) soft built from nearly 15k source packages

Starting of trip enjoying the squeeze and anticipating the next version of Debian: Wheezy (Debian 7.0)!

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